General

  • Target

    RobloxSaver.exe

  • Size

    56KB

  • Sample

    240910-xdkazsyfln

  • MD5

    661ca75edb4f7dc04682bb17409e999c

  • SHA1

    f8a8712c30e2bb207eabdd0b1767ea1c56ce7b8a

  • SHA256

    f52241d01e11eff438ab78843b57b4d333d798641f33ab02e61ed2dce3eb363b

  • SHA512

    1303ea0ca2daa9217ed7495cebc7d5208a3b994a4de60cc15ee5703fd8da1de32cd39dce0dbcbce0678cafb5ecd97c29b1b05145ed8e161e2cdb35b3a0616e28

  • SSDEEP

    768:VscaIyIqEemmpKYgGz3wiuZoe9WTjnKZKfgm3EhLPUqj0KQ9ewwkE:Cc1eBZve9WTrF7EFPUE059ew

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1283135195800932403/BXkUOcYDwjASQ5HpWpdSVW3iN8KILAm_S5qz9RaGnY3XEUD_OZjdLAuocIg7qvZb3IJZ

Targets

    • Target

      RobloxSaver.exe

    • Size

      56KB

    • MD5

      661ca75edb4f7dc04682bb17409e999c

    • SHA1

      f8a8712c30e2bb207eabdd0b1767ea1c56ce7b8a

    • SHA256

      f52241d01e11eff438ab78843b57b4d333d798641f33ab02e61ed2dce3eb363b

    • SHA512

      1303ea0ca2daa9217ed7495cebc7d5208a3b994a4de60cc15ee5703fd8da1de32cd39dce0dbcbce0678cafb5ecd97c29b1b05145ed8e161e2cdb35b3a0616e28

    • SSDEEP

      768:VscaIyIqEemmpKYgGz3wiuZoe9WTjnKZKfgm3EhLPUqj0KQ9ewwkE:Cc1eBZve9WTrF7EFPUE059ew

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks